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Alert System Type
Power Failure
Temperature / Humidity Alert
Water / Leak
Sensor Type
Alert System
Power Outage
Temperature / Freeze
Water Leak / Flood
RF Transmission
History Log
LCD Display
Relay Output Support
Wall Mounted
Maximum Zones
4 Zones
24V DC
Ease of Installation
Advanced (Installs > 60 minutes)
Winland Electronics
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Guard Your Home Against Changes in Environmental Conditions
Winland Electronics EA400-24 EnviroAlert Four-Zone Environmental Monitor System, 24 Volt DC
Winland Electronics EA400-24 EnviroAlert Four-Zone Environmental Monitor System, 24 Volt DC
Winland Electronics EA400-24 EnviroAlert Four-Zone Environmental Monitor System, 24 Volt DC
Item# 71810
Price: Normally $300.00 
Hot Deal $222.89
Free shipping on orders over $175 - See Details


  • Simultaneous operation of all four zones
  • Large, easy to read LCD display
  • Eight even alarm memory with time and date
  • Snap fit mounting base with main housing for easy access
  • Plug-in terminal strip connectors for easier wire termination
  • Zones being monitored are displayed every few seconds
  • Tamperproof lock setting
  • Zone configurations retained in memory if power is lost

Essential Info

Monitor four zones with any combination of remote temperature, humidity, or water sensing probe. If temperatures and humidity deviate from the preset limits or water forms a bridge between the contacts on the WaterBug sensor the designated relay for each zone will activate an alarm, dialer, transmitter, etc.

All setup is done using the front panel keys and the LCD display, which uses icons that indicate the setup and parameter being configured. The LCD display assists the user during setup, and shows measured conditions for the monitored critical environment.

This product is also available in 12 Volt and a two-zone version, each sold separately.



  • Power requirements: 24VDC @ < 200mA
  • Remote sensor inputs: 4
  • On-board sensor: 0
  • Unit operating range: 32 to 122 degrees F (0 to 50 degrees C)
  • Low & hight limit adjust range: -58 to 299 degrees F (-50 to 150 degrees C)
  • Alarm outputs: 4 - SPDT relays (1A @ 30 VDC) configurable
  • Auxiliary alarm output: 1 - SPDT relay - non-configurable
  • Weight: .55 lb (0.25 kg)
  • Dimensions: 6 x 4.75 x 1.25 in (15.24 x 12.07 x 3.18 cm)
  • Mounting: 2-gang box or surface mount
  • Important notes:
    Defective exchanges for identical item within Manufacturer’s warranty period.
    Manufacturer contact information: Winland Electronics Inc, Tel: (800) 635-4269 Ext


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    Average Customer Rating
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    Share your thoughts with other customers
    ENRIQUE -- new york, NY   10/8/2011
    great service. Thanks


    Winland Electronics EnviroAlert Terminal Block Kit       
    Winland Electronics EnviroAlert Terminal Block Kit       

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